A Deep-Sea Core from the Arabian Sea That Probed Nearly

A deep-sea core from the Arabian Sea that probed nearly 1,000 feet of seabed deposits in an effort to understand climate conditions on Earth has revealed

A) swings from wetter to drier conditions and back about every 23,000 years.
B) continuous ice ages as recently as 10,000 years ago.
C) a perceptible rise in temperature dating to 23,000 years ago.
D) swings in temperature from hotter to cooler every 2,300 years.